I've been wanting for a comprehensive disassembly guide to the WE Armalite series, which clearly states the direction the pins need to be punched out from, so one does not have to guess.
So if the mountain can't come to me, I guess I'll have go to the mountain.
Since there are so many parts I decided to make two separate videos for the lower and upper.
I will tackle the bolt and the trigger group in the future.